16432451261343 has 48 divisors (see below), whose sum is σ = 27081915771456. Its totient is φ = 9511564631040.

The previous prime is 16432451261333. The next prime is 16432451261437. The reversal of 16432451261343 is 34316215423461.

16432451261343 is a `hidden beast` number, since 1 + 6 + 4 + 3 + 2 + 45 + 1 + 261 + 343 = 666.

It is not a de Polignac number, because 16432451261343 - 2²⁰ = 16432450212767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16432451261333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 675846 + ... + 5772492.

It is an arithmetic number, because the mean of its divisors is an integer number (564206578572).

Almost surely, 2^{16432451261343} is an apocalyptic number.

16432451261343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16432451261343 is a deficient number, since it is larger than the sum of its proper divisors (10649464510113).

16432451261343 is a wasteful number, since it uses less digits than its factorization.

16432451261343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5098304 (or 5098301 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 45.

The spelling of 16432451261343 in words is "sixteen trillion, four hundred thirty-two billion, four hundred fifty-one million, two hundred sixty-one thousand, three hundred forty-three".